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Mgflat, Mgv7: Only create noise objects if needed

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This commit is contained in:
paramat 2017-04-21 02:19:24 +01:00
parent 58c083f305
commit 57eaf62c69
2 changed files with 30 additions and 18 deletions
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10
src/mapgen_flat.cpp
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@ -60,10 +60,12 @@ MapgenFlat::MapgenFlat(int mapgenid, MapgenFlatParams *params, EmergeManager *em
this->hill_threshold = params->hill_threshold;
this->hill_steepness = params->hill_steepness;
//// 2D noise
noise_terrain = new Noise(&params->np_terrain, seed, csize.X, csize.Z);
// 2D noise
noise_filler_depth = new Noise(&params->np_filler_depth, seed, csize.X, csize.Z);
if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
noise_terrain = new Noise(&params->np_terrain, seed, csize.X, csize.Z);
// 3D noise
MapgenBasic::np_cave1 = params->np_cave1;
MapgenBasic::np_cave2 = params->np_cave2;
}
@ -136,7 +138,9 @@ void MapgenFlatParams::writeParams(Settings *settings) const
int MapgenFlat::getSpawnLevelAtPoint(v2s16 p)
{
s16 level_at_point = ground_level;
float n_terrain = NoisePerlin2D(&noise_terrain->np, p.X, p.Y, seed);
float n_terrain = 0.0f;
if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
n_terrain = NoisePerlin2D(&noise_terrain->np, p.X, p.Y, seed);
if ((spflags & MGFLAT_LAKES) && n_terrain < lake_threshold) {
level_at_point = ground_level -